JPS6464172A - Information signal recording and reproducing device - Google Patents

Abstract

PURPOSE:To discriminate what generation of a copy a recording medium is by providing a recording area and an identifying area to record the number of the generations of copies, advancing the number of the generations of the copies of the identifying area at a step and recording medium to another recording medium. CONSTITUTION:At a first recording area of a recording medium 71, an ID area to write an identifying signal to display what time of the copy the copy is by calculating from an original recording medium 71 is provided. The recording information described on the rear surface of a master recording medium 71 which is an original and an identifying signal are reproduced by a reproducing device 73 and stored into a D-RAM 74. The memory information is recorded to the rear surface of another recording medium 72 with a data recorder 75. At this time, to the figure to show the number of the times of the copy of an identifying area provided on one edge of the first area to mainly the static picture of the recording area, 1 is added in a D-RAM74. Consequently, by watching the information, it is found what generation of the copy the the recording medium is.